Subtract grant date fair value of equity awards granted during fiscal year reported in SCT [Member] Add fair value of equity compensation granted in current year value at yearend [Member] Add dividends accrued on unvested sharesshare units [Member] Add Subtract change in fair value from end of prior fiscal year to end of current fiscal year for awards made in prior fiscal years that were unvested at end of current fiscal year [Member] Add Subtract change in fair value from end of prior fiscal year to vesting date for awards made in prior fiscal years that vested during current fiscal year [Member] Subtract fair value of forfeited awards determined at end of prior year for awards made in prior fiscal years that were forfeited during current fiscal year [Member]